United States Patent 1606884
Inventors:
Mann, Charles F.
Rogers, James B.
Publication Date:
11/16/1926
Assignee:
Mann, Charles F.
Rogers, James B.
Other Classes:
428/603, 428/591, 428/594, 140/71C, 300/21, 29/4.550, 38/140
International Classes:
A47L13/04; A47L13/07; A47L13/02